This forum is intended for the discussion around the use of MEPIS in an office setting as distinct from home or indivicual usage. Examples include mail merge, database construction, hardware sharing, advertising, etc..

Yup! The GIMP opens PDF files, will let you select individual pages or a range of pages, modify them and save them in various formats.
I've used it a number of times to do the conversion even if I wanted to use another tool for the mods.

as tim pointed out, GIMP. it does a tremendous job importing PDFs. i do tons of research papers so it's wonderful to be able to extract graphs, tables, etc. straight from the PDF and still have them look really good - instead of the crooked, "i've been scanned on a flat bed scanner", look.

draw irregular straightsided figures on it to designate management units

Save the image you want to draw on as a png file and open in inkscape. Vector graphics is far superior when it comes to geometric shapes. Draw the figure.
When you're finished, delete the png file and save the figure as svg.
Open the original image in Gimp and add your new layer ("open as layer"). Merge down.
This will give you top quality, especially if you work in correct size and don't scale the finished image.
Henry

With inkscape you don't have to draw anything. You can manipulate shapes or lines if you pick "object to path" and use the path tool. No drawing involved at all, just pulling lines or corners. If you bend a line by mistake, there's a button to make it straight again.
Very easy to use, just looks complicated.
Henry